Memory system comprising blocks operable in parallel
US8266396B2 · kind B2 · utility
6Cited by
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23Claims
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Key dates
| Filing date | Sep 17, 2010 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Dec 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7205
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a free blocks included in a nonvolatile semiconductor memory are classified into a plurality of free block management lists. When a free block is acquired at normal priority, the free block is acquired from the free block management list in which a number of free blocks is larger than a first threshold. When a free block is acquired at high priority, the free block is acquired from the free block management list irrespective of the first threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.